Brush



FIG. 1 is a top plan view of a brush, showing our new design;

FIG. 2 is a left end elevational view thereof;

FIG. 3 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 4 is a right end elevational view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a brush, as shown. 